5201861947 has 2 divisors, whose sum is σ = 5201861948. Its totient is φ = 5201861946.

The previous prime is 5201861941. The next prime is 5201862041. The reversal of 5201861947 is 7491681025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5201861947 - 2¹¹ = 5201859899 is a prime.

It is not a weakly prime, because it can be changed into another prime (5201861941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2600930973 + 2600930974.

It is an arithmetic number, because the mean of its divisors is an integer number (2600930974).

Almost surely, 2^5201861947 is an apocalyptic number.

5201861947 is a deficient number, since it is larger than the sum of its proper divisors (1).

5201861947 is an equidigital number, since it uses as much as digits as its factorization.

5201861947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 5201861947 is about 72123.9346333795. The cubic root of 5201861947 is about 1732.6849669426.

The spelling of 5201861947 in words is "five billion, two hundred one million, eight hundred sixty-one thousand, nine hundred forty-seven".